Datasheet > TQM879008-PCB

TQM879008-PCB

更新时间： 2022-10-12 15:19:21

品牌	Logo	应用领域
威讯联合 - QORVO		/
页数	文件大小	规格书
10页	745K
描述
1.4-2.7 GHz 1/2 W Digital Variable Gain Amplifier

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TQM879008-PCB 数据手册

TQM879008

1.4-2.7 GHz 1/2ꢀW Digital Variable Gain Amplifier

Product Overview

The TQM879008 is a digital variable gain amplifier (DVGA)

featuring high linearity over the entire gain control range.

This amplifier module integrates two gain blocks, a digital-

step attenuator (DSA), and a high linearity ½ W amplifier.

The module has the added feature of integrating all

matching components, bias chokes and blocking

capacitors. The internal 6-bit DSA provides a 31.5 dB gain

control range in 0.5 dB steps, and is controlled with a serial

periphery interface (SPITM).

28-pin 6x6 mm leadless SMT Package

Key Features

• 1.4-2.7 GHz Frequency Range

• 41.1 dB Maximum Gain at 2.5 GHz

• 31.5 dB Gain Range in 0.5 dB Steps

• +47.5 dBm Output IP3

The TQM879008 features variable gain from 10 dB to

41.1dB at 2.5 GHz, +47.5 dBm output IP3, and +27.3 dBm

P1dB. The module operates from a single +5V supply and

is available in a compact 28-pin 6x6 mm leadless SMT

package.

• +27.3 dBm Output P1dB

• Fully Internally Matched Module

• Integrated Blocking Capacitors, Bias Inductors

• 3-wire SPI Control Programming

The TQM879008 is pin compatible with the TQM829007

(0.7-1.0GHz, 0.25W DVGA) and TQM879006 (1.4-2.7GHz,

0.25W DVGA). This allows one to size the right type of

device for specific system level requirements as well as

making the DVGA family ideal for applications where a

common PCB layout is used for different frequency bands.

Functional Block Diagram

Applications

• 3G / 4G Wireless Infrastructure

• CDMA, WCDMA, LTE

• Repeaters

LE 1

DATA 2

CLK 3

NC 4

21 GND

20 GND

19 GND

18 GND

17 GND

16 RFOUT

15 GND

DSA

AMP2

• ISM Infrastructure

Matching

AMP3

GND 5

RFIN 6

GND 7

Matching

AMP1

DC Biasing

Backside Pad

GND

Ordering Information

Top View

Part No.

Description

TQM879008TR13

2,500 pieces on a 13” reel (standard)

Evaluation Board, Includes USB control

board, EVH

TQM879008-PCB

Datasheet, January 02, 2018 | Subject to change without notice

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